﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Hack
{
    public static class Randoms
    {
        public static int RandomOdd()
        {
            return 1 + RandomEven();
        }
        public static int RandomEven()
        {
            return 2 * (new Random().Next() % 5 + 1);
        }
        public static uint RandomPrime()
        {
            return BigInteger
                .smallPrimes[
                                new Random().Next(0, BigInteger.smallPrimes.Length)
                            ];
        }
    }
}
